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C57Bl/6 splenocytes were stained with 0.5 ug Anti-Mouse C8a PE (50-0081) (solid line) or 0.5 ug Rat IgG2a PE isotype control (dashed line).
  • C57Bl/6 splenocytes were stained with 0.5 ug Anti-Mouse C8a PE (50-0081) (solid line) or 0.5 ug Rat IgG2a PE isotype control (dashed line).

PE Anti-Mouse CD8a (53-6.7)

Cat No. Size Price Quantity
50-0081-U025 25 µg $19.00
50-0081-U100 100 µg $47.00
50-0081-U500 500 µg $184.00

Description

The 53-6.7 antibody reacts with the 32-34 kDa alpha subunit of mouse CD8, known as CD8a or CD8 alpha. CD8a can form a homodimer (CD8 alpha-alpha), but is more commonly expressed as a heterodimer with a second chain known as CD8b or CD8 beta. CD8 acts as a co-receptor in antigen recognition and subsequent T cell activation that is initiated upon binding of the T cell receptor (TCR) to antigen-bearing MHC Class I molecules. The cytoplasmic domains of CD8 provide binding sites for the tyrosine kinase lck, facilitating intracellular signaling events that lead to T cell activation, development, and cytotoxic effector functions. CD8+ cytotoxic T cells (CTLs) play an important role in inducing cell death of tumor cells, as well as cells infected by virus, bacteria or parasites.

The 53-6.7 antibody is widely used as a phenotypic marker for mouse CD8a expression on cytotoxic T cells, thymocytes, as well as on certain cell types that do not also express the TCR, including some NK cells and lymphoid dendritic cells.

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The 53-6.7 antibody reacts with the 32-34 kDa alpha subunit of mouse CD8, known as CD8a or CD8 alpha. CD8a can form a homodimer (CD8 alpha-alpha), but is more commonly expressed as a heterodimer with a second chain known as CD8b or CD8 beta. CD8 acts as a co-receptor in antigen recognition and subsequent T cell activation that is initiated upon binding of the T cell receptor (TCR) to antigen-bearing MHC Class I molecules. The cytoplasmic domains of CD8 provide binding sites for the tyrosine kinase lck, facilitating intracellular signaling events that lead to T cell activation, development, and cytotoxic effector functions. CD8+ cytotoxic T cells (CTLs) play an important role in inducing cell death of tumor cells, as well as cells infected by virus, bacteria or parasites.

The 53-6.7 antibody is widely used as a phenotypic marker for mouse CD8a expression on cytotoxic T cells, thymocytes, as well as on certain cell types that do not also express the TCR, including some NK cells and lymphoid dendritic cells.

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Product Details

Name PE Anti-Mouse CD8a (53-6.7)
Cat. No. 50-0081
Alternative Names CD8 alpha, Ly-2, Ly-35, Ly-B, Lyt-2
Gene ID 12525
Clone 53-6.7
Isotype Rat IgG2a, κ
Reactivity Mouse
Cross Reactivity
Format PE
Application Flow Cytometry
Citations*

Dolina JS, Lee J, Griswold RQ, Labarta-Bajo L, Kannan S, Greenbaum JA, Bahia El Idrissi N, Pont MJ, Croft M, Schoenberger SP. TLR9 Sensing of Self-DNA Controls Cell-Mediated Immunity to Listeria Infection via Rapid Conversion of Conventional CD4+ T Cells to Treg. Cell Rep. 2020 Apr 7;31(1):107249. doi: 10.1016/j.celrep.2020.01.040.

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Qiumei Du, Ashley R. Hoover, Igor Dozmorov, Ondine B. Cleaver,Joshua T. Mendell, Nicolai S.C. van Oers. MIR205HG Is a Long Noncoding RNA that Regulates Growth Hormone and Prolactin Production in the Anterior Pituitary. Dev Cell. 2019 May 20;49(4):618-631.e5. doi: 10.1016/j.devcel.2019.03.012

» View on PubMed

Yang BH, Wang K, Wan S, et al. TCF1 and LEF1 Control Treg Competitive Survival and Tfr Development to Prevent Autoimmune Diseases. Cell Rep. 2019;27(12):3629-3645.e6. doi:10.1016/j.celrep.2019.05.061.

» View on PubMed

Uzodinma U. Uche, Ann R. Piccirillo, Shunsuke Kataoka, Stephanie J. Grebinoski, Louise M. D’Cruz, and Lawrence P. Kane. PIK3IP1/TrIP restricts activation of T cells through inhibition of PI3K/Akt. J Exp Med. 2018 Dec 3;215(12):3165-3179. doi: 10.1084/jem.20172018

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Willinger T and Flavell RA. 2012. Proc. Natl. Acad. Sci. 109:8670-8675. (Flow cytometry)

Thaventhiran JED, Hoffmann A, Magiera L, de la Roche M, Lingel H, Brunner-Weinzierl M, and Fearon DT. 2012. Proc. Natl. Acad. Sci. 10.1073. (Immunohistochemistry – OCT embedded frozen tissue)

Mochimaru H, Usui T, Yaguchi T, Nagahama Y, Hasegawa G, Usui Y, Shimmura S, Tsubota K, Amano S, Kawakami Y, and Ishida S. 2008. Invest. Ophthalmol. Vis. Sci. 49(5):2172-2127. (in vivo cell depletion)

Fan K, Zhou M, Pathak MK, Lindner DJ, Altuntas CZ, Touhy VK, Borden EC, and Yi T. 2005. J. Immunol. 175:7003-7008. (Immunohistochemistry – frozen tissue)

Nutt SL, Metcalf D, D’Amico A, Polli M, and Wu L. 2005. J. Exp. Med. 201:221-231. (Immunomagnetic bead depletion)

Fan G-C, and Singh, RR. 2002. J. Exp. Med. 196: 731-741. (in vitro cell depletion)

Bosselut R, Zhang W, Ashe JM, Kopacz JL, Samelson LE, and Singer A. 1999. J. Exp. Med. 190: 1517-1526. (Immunoprecipitation)

Application Key:

FC = Flow Cytometry; FA = Functional Assays; ELISA = Enzyme-Linked Immunosorbent Assay; ICC = Immunocytochemistry; IF = Immunofluorescence Microscopy; IHC = Immunohistochemistry; IHC-F = Immunohistochemistry, Frozen Tissue; IHC-P = Immunohistochemistry, Paraffin-Embedded Tissue; IP = Immunoprecipitation; WB = Western Blot; EM = Electron Microscopy

*Tonbo Biosciences tests all antibodies by flow cytometry. Citations are provided as a resource for additional applications that have not been validated by Tonbo Biosciences. Please choose the appropriate format for each application and consult the Materials and Methods section for additional details about the use of any product in these publications.